As of 2013 the highest rated scripted show is "NCIS".
Simpsons
Spongebob
Scandal
ER was the highest rated show for the 1995-1996 television season.
The telenovela, La Que No Podía Amar, is the highest-rated TV show among the Latino audience. The show airs on Univision, and attracts 5.2-million viewers.
American Idol
Seinfeld. E.R. was number two.
Gunsmoke
Apparently so, to its millions of viewers -- it's not only the highest rated comedy on TV, it's the highest rated show of ANY kind on TV.
Bonanza was the highest rated show in 1965, 1966 and 1967.
The Ridiculously Awesome Show - 2009 TV is rated/received certificates of: USA:TV-14 (TV rating)